TEMPERATURES OF MAXIMUM DENSITY.—MACGREGOR. 227 
T may add a table of the substances which have temperatures 
of maximum or minimum density within the limits of experi- 
ment: 
Temperature of . Temperature of 
Maximum Density. Minimum Density, 
WarcetsrMMetal*® sive geudee vas DOLE C re crarsicte es arake + Aah oe, 
(Bi a jFe) 
13 
Wade of Silerts.. -y Mes LO rae ane tri RSE ON 
Todides of Silver & Lead (alloy); 141 Deter Sy pel | 
Lipowitz’s Metal*...... esta Dato aD ap ripe ye tPA, 
(Bi Pb Cd Sn) 
i 6 4 5 
Rose’s Metal (Spring)*.. 55 Hilde head diiiige AO 
= Sn Ay) 
Wood’s Metal* See: ieee a OO bel fipan: Sate glee mame 
(Bi Pb Cd Sn) 
4 2 2 

* Spring, Ann Chim. Phys, (5) vii. (1876) p. 178 
t Rodwell, Proc. Roy. Soe:, Lond., xxv. p. 272. 
{? Rodwell, Proce. Roy. Sec., Lond,, xxxii (1881) p. 540, 
